(Warning: Don't read this if you don't want to know what happened on Sunday's "Walking Dead.")

You go, Glenn.

While Rick was trying to negotiate a permanent stay at Hershel's farm, Lori was fretting she might be pregnant and a bloated, well-dwelling zombie was threatening the farm's water supply, Glenn and farmer's daughter Maggie were getting busy in an abandoned pharmacy on last night's "Walking Dead."

But while sex was a happy occasion for former pizza delivery boy Glenn, not so much with Lori. She is preggers, and she isn't sure who the father is: hubby Rick or former fling Shane.

Speaking of Shane, he had some 'splaining to do when Otis' widow wanted details on her hubby's death, and later, in a conversation with Andrea, he talked about having to make split-second decisions when facing danger, a hint that he's far from okay with offing Otis last week.

And then there was Well-Dwelling Walker … R.I.P. In what is, hands down, the ickiest scene of the series so far, the gang was trying to pluck bloated, crabby WDW out of a well on Hershel's farm, lest he contaminate the water supply.

But when the puffy undead dude was dragged to the surface, he got caught on the lip of the well and, well, his lower half broke free from the rest of his body and spilled, rotted guts and blood and all, back into the water below.

"We could seal off this well," Dale said.

Good idea.

Meanwhile, check out a pair of sneak peeks at the next episode, "Chupacabra," below, which find Glenn wondering what's up with the women at Hershel's farm and, whoa, Merle's back?